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SwapOrder.inverted

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tim
2024-10-27 23:52:21 -04:00
parent 1d118931cf
commit 64f1645764
11 changed files with 94 additions and 74 deletions
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5
test/TestIEEE754.sol
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@@ -67,17 +67,18 @@ contract TestIEEE754 is Test {
Item(float.wrap(0x80200000), 128, int256(uint256(int256(-0x1)))), // smallest negative is subnormal
Item(float.wrap(0x7effffff), 128, int256(uint256(0x7fffff8000000000000000000000000000000000000000000000000000000000))), // largest positive
Item(float.wrap(0xff7fffff), 128, -int256(uint256(0xffffff0000000000000000000000000000000000000000000000000000000000))), // largest negative
Item(float.wrap(0x7f7fffff), 120, int256(uint256(0xffffff0000000000000000000000000000000000000000000000000000000000)))
Item(float.wrap(0x7f7fffff), 128, int256(uint256(0xffffff0000000000000000000000000000000000000000000000000000000000)))
];
for (uint i=0; i<items.length; i++) {
console2.log("index", i);
console2.log("exp: %x", uint256(items[i].fixedPoint));
int256 fixedPoint = IEEE754.toFixed(
items[i].floatingPoint, items[i].fixedBits
);
console2.log("got: %x", uint256(fixedPoint));
console2.log(IEEE754.isPositive(items[i].floatingPoint)?' positive':' negative');
require(items[i].fixedPoint == fixedPoint);
require(items[i].fixedPoint == fixedPoint, 'conversion mismatch!');
}
}